Amir Jennings Green, a 4-year old in Thornton, Illinois, found a loaded gun in the basement of his home today.  He fired it and killed himself. 

This is the third gun accident in two days in which a toddler found a gun and fired it. 

Source:

“4-year-old Dies After Accidentally Shooting Himself in Thornton,” WGN 9 (April 3, 2020).